Characterization: Desmomelt® 540/3 is a flexible polyurethane with a very high rate of crystallization and very low thermoplasticity. Extruded flat products made from this raw material (hot melt adhesive films and fleeces) are of high quality. Desmomelt® 540/3 has outstanding adhesion on a large number of materials. It has high initial bond strength and thermal stability. Properties / Applications Desmomelt® 540/3 is suitable for the manufacture of adhesive films and fleeces for bonding many different materials, e.g. leather, textiles, wood fibreboard, various plastics including polyurethane elastomers and flexible PVC. Information provided by Covestro |